MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

Connect your agent

5956 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
BuildBatch

UK DIY shopping lists for one room: paint, wallpaper, tiles, flooring and more, in real packs.

E-commerceData access / search

Outdated check183 ms13 / 22
Bestshopping Cashback — IT, DE, FR

Search eligible retail merchants and prepare cashback links for adult account holders in IT, DE, FR.

E-commerceData access / search

Responded187 ms13 / 22
Netstate

Search 128 million official company registrations across every US state, DC, Puerto Rico and Canada.

OtherData access / search

Responded188 ms13 / 22
migrationagent.review

Find registered Australian migration agencies by location, read profiles, look up agents by MARN.

Developer ToolsData access / search

Outdated check188 ms13 / 22
apteka.online

Polish online pharmacy apteka.online: products, prices, shop policies and the medicines register.

HealthcareData access / search

Outdated check188 ms13 / 22
com.expandingweb/nord-trail-store

Reference agent-ready storefront: search, look up and price a real Magento catalog.

E-commerceData access / search

Responded189 ms13 / 22
Open Medici Public Fellowship and Grant Search

Public fellowship and grant search with sourced details and live filter vocabularies.

OtherData access / search

Responded190 ms13 / 22
OpenNash Jobs

Official job listings at Forbes Global 2000 companies: search, new and removed jobs, hiring trends.

ProductivityData access / search

Responded192 ms13 / 22
Absorption: senior housing development demand, supply and math

Senior housing demand vs. licensed beds by state and county, CON, HUD 232, development calc.

Real Estate & PropertyData access / search

Outdated check192 ms13 / 22
com.hypeibiza/offers

Sneaker prices and stock per size across European shops: search, offers, deals, size conversion.

Finance & CryptoData access / search

Responded194 ms13 / 22
Nymwell

Look up and buy domain names: live prices, any domain's public records, renewals, transfers and DNS.

GovernmentData access / search

Responded194 ms13 / 22
Syndicate

Read-only market data: tokens, stocks, Hyperliquid perps, Polymarket, and public trader books.

Finance & CryptoData access / search

Outdated check194 ms13 / 22
cmbs.news: CMBS loan data

Loan-level CMBS data from SEC filings: loans, trusts, CUSIPs, distress index, tenants, comps.

Real Estate & PropertyData access / search

Outdated check194 ms13 / 22
Dove Living – Apartments Schwandorf

Book vacation apartments in Schwandorf, Germany: live availability, final prices, booking link.

TravelData access / search

Responded199 ms13 / 22
EKO-IKSI Fertility Clinic

Fertility clinic in Tashkent: prices, services, doctors, articles and contacts in uz, ru, en.

HealthcareData access / search

Outdated check200 ms13 / 22
PodMule

Search, draft and manage your podcast workspace from your agent.

MediaData access / search

Outdated check201 ms13 / 22
AutoIsto — car watch

Watches Slovak used-car ads for a buyer. Takes no contact; active only after e-mail opt-in.

Marketing & SalesData access / search

Outdated check202 ms13 / 22
YedaBase

Search and open investor records: family offices, VCs, funds of funds, permanent capital, RIAs.

OtherData access / search

Responded203 ms13 / 22
CheckMyVIN

Decode US-market VINs and list NHTSA recall campaigns for the make, model and year. Free, no auth.

Marketing & SalesData access / search

Outdated check203 ms13 / 22
Chateaupedia

Search 10,500 French castles and read verified entries: hours, prices, accessibility.

OtherData access / search

Responded204 ms13 / 22
Claudeers MCP Server

Search the Claudeers registry of Claude tools, ranked by maintenance and community signals.

Developer ToolsData access / search

Responded205 ms13 / 22
com.desaira/desaira

Search adult porn video (NSFW, 18+): nude clips, creators, hashtags. Read-only, no API key.

MediaData access / search

Responded206 ms13 / 22
Bookd

Search and request stays at independent hotels, B&Bs, guesthouses and vacation rentals, direct.

TravelData access / search

Responded208 ms13 / 22
WeatherXM FACT — Forecast Accuracy & Ground-Truth Verification

Scores 45 NWP & AI weather models (ECMWF, GFS, ICON, meteoblue, MOSAIC) against 8,927 stations.

Data & AnalyticsData access / search

Responded212 ms13 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence